Convert framebuffer to use bitmap render from thumbnail API

This commit is contained in:
Vincent Sanders 2015-04-23 22:48:01 +01:00
parent 7e2f1094ce
commit 1a22eb2b65
3 changed files with 81 additions and 101 deletions

View File

@ -163,9 +163,8 @@ $(eval $(foreach V,$(filter FB_FONT_$(NETSURF_FB_FONTLIB)_%,$(.VARIABLES)),$(cal
# ---------------------------------------------------------------------------- # ----------------------------------------------------------------------------
# S_FRAMEBUFFER are sources purely for the framebuffer build # S_FRAMEBUFFER are sources purely for the framebuffer build
S_FRAMEBUFFER := gui.c framebuffer.c schedule.c \ S_FRAMEBUFFER := gui.c framebuffer.c schedule.c misc.c bitmap.c fetch.c \
thumbnail.c misc.c bitmap.c fetch.c findfile.c \ findfile.c localhistory.c clipboard.c
localhistory.c clipboard.c
S_FRAMEBUFFER_FBTK := fbtk.c event.c fill.c bitmap.c user.c window.c \ S_FRAMEBUFFER_FBTK := fbtk.c event.c fill.c bitmap.c user.c window.c \
text.c scroll.c osk.c text.c scroll.c osk.c

View File

@ -26,10 +26,17 @@
#include <stdbool.h> #include <stdbool.h>
#include <assert.h> #include <assert.h>
#include <libnsfb.h> #include <libnsfb.h>
#include <libnsfb_plot.h>
#include "image/bitmap.h"
#include "utils/log.h" #include "utils/log.h"
#include "utils/utils.h"
#include "image/bitmap.h"
#include "desktop/plotters.h"
#include "content/content.h"
#include "framebuffer/gui.h"
#include "framebuffer/fbtk.h"
#include "framebuffer/framebuffer.h"
#include "framebuffer/bitmap.h" #include "framebuffer/bitmap.h"
/** /**
@ -249,6 +256,76 @@ static size_t bitmap_get_bpp(void *bitmap)
return 4; return 4;
} }
/**
* Render content into a bitmap.
*
* \param bitmap the bitmap to draw to
* \param content content structure to render
* \return true on success and bitmap updated else false
*/
static nserror
bitmap_render(struct bitmap *bitmap,
struct hlcache_handle *content)
{
nsfb_t *tbm = (nsfb_t *)bitmap; /* target bitmap */
nsfb_t *bm; /* temporary bitmap */
nsfb_t *current; /* current main fb */
int width, height; /* target bitmap width height */
int cwidth, cheight;/* content width /height */
nsfb_bbox_t loc;
struct redraw_context ctx = {
.interactive = false,
.background_images = true,
.plot = &fb_plotters
};
nsfb_get_geometry(tbm, &width, &height, NULL);
LOG(("width %d, height %d", width, height));
/* Calculate size of buffer to render the content into */
/* We get the width from the content width, unless it exceeds 1024,
* in which case we use 1024. This means we never create excessively
* large render buffers for huge contents, which would eat memory and
* cripple performance. */
cwidth = min(content_get_width(content), 1024);
/* The height is set in proportion with the width, according to the
* aspect ratio of the required thumbnail. */
cheight = ((cwidth * height) + (width / 2)) / width;
/* create temporary surface */
bm = nsfb_new(NSFB_SURFACE_RAM);
if (bm == NULL) {
return NSERROR_NOMEM;
}
nsfb_set_geometry(bm, cwidth, cheight, NSFB_FMT_XBGR8888);
if (nsfb_init(bm) == -1) {
nsfb_free(bm);
return NSERROR_NOMEM;
}
current = framebuffer_set_surface(bm);
/* render the content into temporary surface */
content_scaled_redraw(content, cwidth, cheight, &ctx);
framebuffer_set_surface(current);
loc.x0 = 0;
loc.y0 = 0;
loc.x1 = width;
loc.y1 = height;
nsfb_plot_copy(bm, NULL, tbm, &loc);
nsfb_free(bm);
return NSERROR_OK;
}
static struct gui_bitmap_table bitmap_table = { static struct gui_bitmap_table bitmap_table = {
.create = bitmap_create, .create = bitmap_create,
.destroy = bitmap_destroy, .destroy = bitmap_destroy,
@ -262,6 +339,7 @@ static struct gui_bitmap_table bitmap_table = {
.get_bpp = bitmap_get_bpp, .get_bpp = bitmap_get_bpp,
.save = bitmap_save, .save = bitmap_save,
.modified = bitmap_modified, .modified = bitmap_modified,
.render = bitmap_render,
}; };
struct gui_bitmap_table *framebuffer_bitmap_table = &bitmap_table; struct gui_bitmap_table *framebuffer_bitmap_table = &bitmap_table;

View File

@ -1,97 +0,0 @@
/*
* Copyright 2008 Chris Young <chris@unsatisfactorysoftware.co.uk>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdbool.h>
#include <libnsfb.h>
#include <libnsfb_plot.h>
#include "utils/log.h"
#include "utils/utils.h"
#include "desktop/plotters.h"
#include "desktop/thumbnail.h"
#include "content/urldb.h"
#include "content/content.h"
#include "framebuffer/gui.h"
#include "framebuffer/fbtk.h"
#include "framebuffer/framebuffer.h"
bool
thumbnail_create(struct hlcache_handle *content,
struct bitmap *bitmap)
{
nsfb_t *tbm = (nsfb_t *)bitmap; /* target bitmap */
nsfb_t *bm; /* temporary bitmap */
nsfb_t *current; /* current main fb */
int width, height; /* target bitmap width height */
int cwidth, cheight;/* content width /height */
nsfb_bbox_t loc;
struct redraw_context ctx = {
.interactive = false,
.background_images = true,
.plot = &fb_plotters
};
nsfb_get_geometry(tbm, &width, &height, NULL);
LOG(("width %d, height %d", width, height));
/* Calculate size of buffer to render the content into */
/* We get the width from the content width, unless it exceeds 1024,
* in which case we use 1024. This means we never create excessively
* large render buffers for huge contents, which would eat memory and
* cripple performance. */
cwidth = min(content_get_width(content), 1024);
/* The height is set in proportion with the width, according to the
* aspect ratio of the required thumbnail. */
cheight = ((cwidth * height) + (width / 2)) / width;
/* create temporary surface */
bm = nsfb_new(NSFB_SURFACE_RAM);
if (bm == NULL) {
return false;
}
nsfb_set_geometry(bm, cwidth, cheight, NSFB_FMT_XBGR8888);
if (nsfb_init(bm) == -1) {
nsfb_free(bm);
return false;
}
current = framebuffer_set_surface(bm);
/* render the content into temporary surface */
thumbnail_redraw(content, cwidth, cheight, &ctx);
framebuffer_set_surface(current);
loc.x0 = 0;
loc.y0 = 0;
loc.x1 = width;
loc.y1 = height;
nsfb_plot_copy(bm, NULL, tbm, &loc);
nsfb_free(bm);
return true;
}